lum noun a chimney: ...dogs bark and whine, chase the cats, who flee [fly] up the lum and fill the room with soot... 17-. etymology: Scots; northern early Modern English lumbe ‘a roof-opening’; attested by SR, BS in TDITA, JS, ET, BW and DW in DB
lum, tank and mair the night proverbial phrase ‘chimney and fire-can for the rest of the night’, that is to say, stay at home for the evening 20-. etymology: perhaps only in Scots Traveller language; only attested by DW